How is the inheritance of an unmarried man distributed, whose parents passed away, and who has three sisters, paternal uncles' sons, and maternal aunts' sons? And how would the distribution be if one of the sisters died before the brother?

If the deceased has no heirs other than those mentioned, then the three sisters receive two-thirds if they are full sisters or paternal sisters, based on the verse: "But if there are two, they will have two-thirds of what he left." However, if they are only maternal sisters, they receive one-third, based on the verse: "And if there are more than that, they share in one-third." What remains after the sisters' share is distributed by 'asaba (agnatic succession) to the closest male paternal cousins, divided equally among them if they are of equal proximity, based on the Prophet's (peace be upon him) saying: "Give the prescribed shares to those entitled to them, and what remains is for the closest male."

In the case of one of the sisters dying during her brother's lifetime, her estate is inventoried. If she has no husband or children, her estate goes to her brother and two sisters, with the male receiving the share of two females. Maternal cousins are not heirs; rather, they are among the uterine relatives (dhawi al-arham).

Matters of inheritance are complex and serious. A mere fatwa is insufficient; rather, the matter must be presented to the Sharia courts for investigation, as there may be other heirs, wills, debts, or rights that take precedence over the heirs' share.